9
3. Put one end of rack section on the gear of opener as a temporary support.
Make rack level and mark the rack’s mounting holes
(three holes)
on the gate.
4. Weld the rack nut on the gate as mark and connect the rack to the gate using the bolt provided. Before
weld, please keep 1.0mm space between the rack and the gear to avoid the weight of the gate effect on the
opener.
Installation of the Magnets
Before install limit switch, make sure the gate opener is put in manual operation. (the clutch connected with
gear shaft is disengaged) and the mains power supply is disconnected.
Position the S&N Magnet Components approximately on the gate and move the gate by hand to fix them in
place.
Fit magnets bracket
Push the gate fully closed by hand. Locate and install the magnet bracket so that the opener will stop at the
desired close position when the close limit switch approaches it.
Push the gate fully open by hand. Locate and install the magnet bracket so that the opener will stop at the
desired open position when the open limit switch approaches it.
The magnet component with S pole outside must be installed at left side and the magnet component
with N pole outside must be installed at right side from the view inside of property.
Ensure magnet center to align with the marked line above !
The magnets should be
20~30mm
away from the
Limit Switch Box
. If it is too near or too far, the switches
will fail to work. Adjust the position of the magnets until the positions of the opening and closing meet the
requirement.
Important:
* Check that the rack teeth must engage the gear teeth throughout their full thickness. If not, adjust the
position of the opener or/and place a few shims between the rack and gate.
* Manually slide the gate leaf to ensure the rack is proper on the gear of opener.
* Repeat same steps of first rack section to install the rest rack sections until proper length is reached.
* Cut away any excess of the rack (Note: rack length must be longer than actual travel of the gate)
* Thoroughly fasten the four nuts as well as spring washers onto expansion bolts tightly, enabling the opener
is firmly secured on the concrete pad during the whole gate travel.
Connecting of AC Main Power Supply
WARNING: NEVER connect the gate opener to the power
outlet before all the installations have been done.
The power supply cord should be at least 3×0.75mm
2
(3C×18AWG). Connect the live wire, neutral wire and earth wire to
the “L”, “N” and “PE” terminals respectively. It is strongly
recommended that an emergency stop switch
(NOT PROVIDED IN
PACKAGE)
is installed in the electrical system which can be used
in case of the remote control failure. You can connect the switch by
the following steps:
Warning: Improper magnets installation may cause the gate crash into end barrier, which is very
dangerous !
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